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Node-specific Volume Limits

This page describes the maximum number of volumes that can be attached
to a node for various cloud providers.

Cloud providers like Google, Amazon, and Microsoft typically have a limit on
how many volumes can be attached to a node. It is important for Kubernetes to
respect those limits. Otherwise, Pods scheduled on a node could get stuck
waiting for volumes to attach.

For Amazon EBS disks on M5/C5 instance types, Kubernetes would permit only 25
volumes to be attached to a node. For other instance types on
Amazon Elastic Compute Cloud (EC2),
Kubernetes would permit 39 volumes to be attached.